diff mbox series

[BlueZ,v4] monitor: Add option to set fallback width

Message ID 20210302004019.7150-1-sonnysasaka@chromium.org
State New
Headers show
Series [BlueZ,v4] monitor: Add option to set fallback width | expand

Commit Message

Sonny Sasaka March 2, 2021, 12:40 a.m. UTC 
Sometimes we want to be able to pipe the output of btmon to a
non-terminal device. The current fallback width is usually not long
enough so this patch adds an option to specify the column width. This is
especially needed for text logs from bluetoothd.

Reviewed-by: Daniel Winkler <danielwinkler@google.com>

---
 monitor/display.c | 8 +++++++-
 monitor/display.h | 1 +
 monitor/main.c    | 8 +++++++-
 3 files changed, 15 insertions(+), 2 deletions(-)

Comments

bluez.test.bot@gmail.com March 2, 2021, 11:37 p.m. UTC | #1 
This is automated email and please do not reply to this email!

Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=440755

---Test result---

##############################
Test: CheckPatch - PASS

##############################
Test: CheckGitLint - PASS

##############################
Test: CheckBuild - PASS

##############################
Test: MakeCheck - PASS



---
Regards,
Linux Bluetooth
Marcel Holtmann March 3, 2021, 3:48 p.m. UTC | #2 
Hi Sonny,

> Sometimes we want to be able to pipe the output of btmon to a

> non-terminal device. The current fallback width is usually not long

> enough so this patch adds an option to specify the column width. This is

> especially needed for text logs from bluetoothd.

> 

> Reviewed-by: Daniel Winkler <danielwinkler@google.com>

> 

> ---

> monitor/display.c | 8 +++++++-

> monitor/display.h | 1 +

> monitor/main.c    | 8 +++++++-

> 3 files changed, 15 insertions(+), 2 deletions(-)


patch has been applied.

Regards

Marcel
diff mbox series

Patch

diff --git a/monitor/display.c b/monitor/display.c
index b11b71d5d..4e5693b04 100644
--- a/monitor/display.c
+++ b/monitor/display.c
@@ -28,6 +28,7 @@ 
 #include "display.h"
 
 static pid_t pager_pid = 0;
+int default_pager_num_columns = FALLBACK_TERMINAL_WIDTH;
 
 bool use_color(void)
 {
@@ -39,6 +40,11 @@  bool use_color(void)
 	return cached_use_color;
 }
 
+void set_default_pager_num_columns(int num_columns)
+{
+	default_pager_num_columns = num_columns;
+}
+
 int num_columns(void)
 {
 	static int cached_num_columns = -1;
@@ -48,7 +54,7 @@  int num_columns(void)
 
 		if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) < 0 ||
 								ws.ws_col == 0)
-			cached_num_columns = FALLBACK_TERMINAL_WIDTH;
+			cached_num_columns = default_pager_num_columns;
 		else
 			cached_num_columns = ws.ws_col;
 	}
diff --git a/monitor/display.h b/monitor/display.h
index f3a614b81..cba39ec7f 100644
--- a/monitor/display.h
+++ b/monitor/display.h
@@ -73,6 +73,7 @@  static inline uint64_t print_bitfield(int indent, uint64_t val,
 	return mask;
 }
 
+void set_default_pager_num_columns(int num_columns);
 int num_columns(void);
 
 void open_pager(void);
diff --git a/monitor/main.c b/monitor/main.c
index 0f5eb4a3b..969c88103 100644
--- a/monitor/main.c
+++ b/monitor/main.c
@@ -30,6 +30,7 @@ 
 #include "analyze.h"
 #include "ellisys.h"
 #include "control.h"
+#include "display.h"
 
 static void signal_callback(int signum, void *user_data)
 {
@@ -67,6 +68,7 @@  static void usage(void)
 		"\t                       Read data from RTT\n"
 		"\t-R  --rtt [<address>],[<area>],[<name>]\n"
 		"\t                       RTT control block parameters\n"
+		"\t-C, --columns [width]  Output width if not a terminal\n"
 		"\t-h, --help             Show help options\n");
 }
 
@@ -90,6 +92,7 @@  static const struct option main_options[] = {
 	{ "no-pager",  no_argument,       NULL, 'P' },
 	{ "jlink",     required_argument, NULL, 'J' },
 	{ "rtt",       required_argument, NULL, 'R' },
+	{ "columns",   required_argument, NULL, 'C' },
 	{ "todo",      no_argument,       NULL, '#' },
 	{ "version",   no_argument,       NULL, 'v' },
 	{ "help",      no_argument,       NULL, 'h' },
@@ -121,7 +124,7 @@  int main(int argc, char *argv[])
 		struct sockaddr_un addr;
 
 		opt = getopt_long(argc, argv,
-					"r:w:a:s:p:i:d:B:V:MNtTSAE:PJ:R:vh",
+					"r:w:a:s:p:i:d:B:V:MNtTSAE:PJ:R:C:vh",
 					main_options, NULL);
 		if (opt < 0)
 			break;
@@ -205,6 +208,9 @@  int main(int argc, char *argv[])
 		case 'R':
 			rtt = optarg;
 			break;
+		case 'C':
+			set_default_pager_num_columns(atoi(optarg));
+			break;
 		case '#':
 			packet_todo();
 			lmp_todo();